patch 8.2.2103: Vim9: unreachable code

Problem:    Vim9: unreachable code.
Solution:   Remove the code to prepend s: to the variable name
diff --git a/src/version.c b/src/version.c
index f023d97..2444f0b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2103,
+/**/
     2102,
 /**/
     2101,
diff --git a/src/vim9compile.c b/src/vim9compile.c
index bfa54fe..9f2aaba 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -5179,19 +5179,9 @@
 	    if (scriptvar_idx < 0)
 	    {
 		char_u  *name_s = name;
-		int	    r;
+		int	r;
 
-		// Include s: in the name for store_var()
-		if (name[1] != ':')
-		{
-		    int len = (int)STRLEN(name) + 3;
-
-		    name_s = alloc(len);
-		    if (name_s == NULL)
-			name_s = name;
-		    else
-			vim_snprintf((char *)name_s, len, "s:%s", name);
-		}
+		// "s:" is included in the name.
 		r = generate_OLDSCRIPT(cctx, ISN_STORES, name_s,
 							  scriptvar_sid, type);
 		if (name_s != name)